Home / 5,021.16-6,928.20-2,896.56

Finding the Fourth Proportional to 5,021.16, 6,928.20 and 2,896.56

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Solution

The fourth proportional to 5,021.16, 6,928.20 and 2,896.56 is: 3,996.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,021.16 : 6,928.20 = 2,896.56 : x
  2. Step 2: Convert to fraction form
    5,021.16/6,928.20 = 2,896.56/x
  3. Step 3: Cross multiply
    5,021.16x = 6,928.20 × 2,896.56
  4. Step 4: Simplify right side
    5,021.16x = 20,067,946.99
  5. Step 5: Solve for x
    x = 20,067,946.99/5,021.16
  6. Step 6: Final answer
    x = 3,996.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.